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Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Oct. 12, 2012 Senior Unsecured Notes [Member] | Dec. 31, 2012 Minimum [Member] | Dec. 31, 2012 Maximum [Member] | Dec. 31, 2012 Consumable Products [Member] Minimum [Member] | Dec. 31, 2012 Consumable Products [Member] Maximum [Member] | Dec. 31, 2012 Related Products [Member] Minimum [Member] | Dec. 31, 2012 Related Products [Member] Maximum [Member] | Dec. 31, 2012 Instrumentation [Member] Minimum [Member] | Dec. 31, 2012 Instrumentation [Member] Maximum [Member] | Dec. 31, 2012 Instrumentation [Member] Minimum [Member] | Dec. 31, 2012 Instrumentation [Member] Maximum [Member]
Significant Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency transaction net gain (loss), realized | $ (7.2) | $ 12.4 | $ 2.6 |  |  |  |  |  |  |  |  |  |  |
Consigned inventory (amount less than) | 3.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Shipping and handling costs | 23.4 | 24.0 | 19.9 |  |  |  |  |  |  |  |  |  |  |
Sales Revenue, Goods, Net, Percentage |  |  |  |  |  |  | 83.00% | 87.00% | 1.00% | 3.00% | 10.00% | 15.00% |  |
Estimated useful life of assets |  |  |  |  | 1 year | 40 years |  |  |  |  |  |  | 3 years | 5 years
Advertising costs | 6.6 | 6.3 | 7.6 |  |  |  |  |  |  |  |  |  |  |
Cash equivalents term | 90 days |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | 400.0 |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable, Charge-offs | (0.2) | (0.6) | (0.8) |  |  |  |  |  |  |  |  |  |  |
Provisions for doubtful accounts | 1.0 | 2.1 | 1.4 |  |  |  |  |  |  |  |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | 2.0 | 40.3 |  |  |  |  |  |  |  |  |  |  |  |
Cost-method Investments, Other than Temporary Impairment | 3.4 |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Impairment Charges | $ 13.6 | $ 42.1 |  |  |  |  |  |  |  |  |  |  |  |

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